Dart: Adjusts class Application for removal of Application/Shell Client=

examples/dart/wget.dart

 #!mojo mojo:dart_content_handler
 
 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:async';
 import 'dart:mojo_application';
 import 'dart:mojo_bindings';
 import 'dart:mojo_core';
 import 'dart:typed_data';
 
 import 'package:mojo/services/network/public/interfaces/network_service.mojom.dart';
 import 'package:mojo/services/network/public/interfaces/url_loader.mojom.dart';
 
 class WGet extends Application {
   NetworkServiceProxy _networkService;
   UrlLoaderProxy _urlLoaderProxy;
 
-  WGet.fromHandle(MojoHandle shellHandle) : super.fromHandle(shellHandle);
+  WGet.fromHandle(MojoHandle handle) : super.fromHandle(handle);
+
+  // This Application provides no services.
+  Function stubFactoryClosure() => (endpoint) => null;
 
   void initialize(List<String> args) {
     run(args);
   }
 
   run(List<String> args) async {
     if (args.length != 2) {
       throw "Expected URL argument";
     }
 
@@ skipping 32 matching lines @@
 
   void _closeProxies() {
     _urlLoaderProxy.close();
     _networkService.close();
     _urlLoaderProxy = null;
     _networkService = null;
   }
 }
 
 main(List args) {
-  MojoHandle shellHandle = new MojoHandle(args[0]);
+  MojoHandle appHandle = new MojoHandle(args[0]);
   String url = args[1];
-  var wget = new WGet.fromHandle(shellHandle);
+  var wget = new WGet.fromHandle(appHandle);
   wget.listen();
 }